The `IUPAC` name of is

Options

A. (1) `3`-ehthyl-`4,4`-dimethylheptane
B. (2) `1,1`-diethyl-`2,2`-dimethylpentane
C. (3) `4,4`-dimethyl-`5,5`-diethylpentane
D. (4) `5`-ethyl-`4,4`-dimethylheptane

Answer

A

Explanation

The longest possible continuous `C` chain contains `7 C` atoms. The numbering should be done so as to get the lowest set of locants (`3,4,4` not `4,4,5`). The names of alkyl groups should be listed alphabetically.